CVE-2011-1015

CVE-2011-1015 is a medium-severity vulnerability in Python with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-200.

Key facts

Description

The is_cgi method in CGIHTTPServer.py in the CGIHTTPServer module in Python 2.5, 2.6, and 3.0 allows remote attackers to read script source code via an HTTP GET request that lacks a / (slash) character at the beginning of the URI.

Frequently asked questions

What is CVE-2011-1015?
The is_cgi method in CGIHTTPServer.py in the CGIHTTPServer module in Python 2.5, 2.6, and 3.0 allows remote attackers to read script source code via an HTTP GET request that lacks a / (slash) character at the beginning of the URI.
How severe is CVE-2011-1015?
CVE-2011-1015 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2011-1015 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-1015?
CVE-2011-1015 affects Python. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2011-1015?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-1015 published?
CVE-2011-1015 was published on 2011-05-09 and last updated on 2026-06-16.

References

Affected products (1)

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